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A satellite image of circular fields characteristic of center pivot irrigation, Kansas Farmland with circular pivot irrigation. Center-pivot irrigation (sometimes called central pivot irrigation), also called water-wheel and circle irrigation, is a method of crop irrigation in which equipment rotates around a pivot and crops are watered with sprinklers.
The plant was completed in 2015 at a cost of over $3 billion. [20] [21] The facility was constructed 160 feet (49 m) under Van Cortlandt Park in the Bronx and filters water delivered by the New Croton Aqueduct. [22] The 830-by-550-foot (250 by 170 m) plant, which is bigger than Yankee Stadium, [20] is the city's first water filtration plant. [21]
[40] [41] This is equivalent to 43 million gallons per day (mgd), or about 86% of the plant's output. The cost of water from the plant will be $100 to $200 more per acre-foot than recycled water (approximately 0.045 cents per gallon), $1,000 to $1,100 more than reservoir water (approx. 0.32 cents per gallon), but $100 to $200 less than ...
Plants placed into nutrient-rich water channels in an NFT system A home-built NFT hydroponic system. Nutrient film technique (NFT) is a hydroponic technique where in a very shallow stream of water containing all the dissolved nutrients required for plant growth is re-circulated past the bare roots of plants in a watertight gully, also known as channels.
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Raw water is delivered to the filtration plant by the New Croton Aqueduct and the Jerome Park Reservoir. [2] The Croton plant has a capacity of 320 million U.S. gallons (1.2 billion liters) per day and is designed to remove 99.9% of Giardia cysts, Cryptosporidium, and viruses. The system uses conventional drinking water treatment technologies:
When the first sewage treatment plant went on line, the flows began increasing to the point that the channel expanded in size as the increased flows eroded the wash's stream-banks. This erosion also deepened the channel draining one of the largest desert wetlands in the U.S. southwest as the water flowed down the channel rather than flooding ...
The plant has a treatment capacity of 384 million gallons per day (mgd) or 1.45 billion liters per day, with a peak capacity (partial treatment during large storms) of over 1 billion gallons per day (3.8 billion liters/day). The plant occupies 153 acres (0.62 km 2) in the southwest quadrant of Washington, D.C., and